Calibre catalogue / Small calibre / KB50A
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KB50A fitting drawing (PDF)
Dimensions, stem height and hand fitting. Keyed to the base calibre, so sibling references share this drawing. Supplied for casing and fitting purposes only.
Small calibre
KB50A
K Series
- —Small seconds
- —Open-heart
- —Exposed balance
| Specification | |
|---|---|
| Size | 23 mm (0.906 in) |
| Height | 3.3 mm (0.130 in) |
| Jewels | 21 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 40 h |
| Finish colour | White |
Check dimensions against the fitting drawing before tooling a case.
Same base calibre
Variants
KA00A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KA50D
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KA51D
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KA52A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KB00A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KB52A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h